154 Partners Investment Management LLC

RIASEC RegisteredEst. 2026
Total AUM
$438M
Discretionary
$438M
100% of AUM
Avg account
$110M
Accounts
4
Employees
13
Advisory reps
4

Firm details

Headquarters
New York, New York
CRD number
333601
Registered since
August 5, 2026
Fee structure
Percentage of AUM, Performance Based Fees, Other
Client types
  • Pooled Investment Vehicles100%
Services
Portfolio Management for Pooled Investment Vehicles

Firm profile

FINTRX

Overview

154 Partners Investment Management LLC is an LLC that operates as an adviser and sponsor to pooled private investment vehicles. The firm is classified as a private equity fund manager and is SEC-registered in 2026. Its client base is institutional, and its advisory mandate centers on portfolio management for pooled investment vehicles, where it also serves in sponsor/GP and managing-member roles. The firm does not present itself as a capital allocator and is not identified as an active ESG investor. Its fee arrangements include a percentage-of-AUM component, performance-based fees, and other fee elements consistent with private fund economics.

Assets & Accounts

Investments & Alternatives

Location & Offices

Investment profile

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Traditional investments used

Alternative investments used

Active ESG investor

Technology & operations

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CRM & tech providers

TAMPs used

Clients

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Client base

Client personas

Owners & executives

3 of 3
  • Isaac Harrouche Peisach

    Isaac Harrouche Peisach

    Co-Founder & CEOCRD 6078907

  • Michael Berlin

    Michael Berlin

    Co-Founder and CIOCRD 6648209

  • Bradley Pietras

    Bradley Pietras

    CFO & Head of OperationsCRD 8023862

Contacts

1 of 1
  • David Blitzer

    David Blitzer

    Sr. Managing DirectorCRD 2171987

Wealth teams

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Newly hired reps

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Recent M&A activity

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Recent filings

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Awards

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Location

Primary office

New York, NY

New York

Location

New York, NY

Headquartered in New York, NY, anchoring the New York-Newark, NY-NJ-CT-PA metro in the Northeast.

Metro area
New York-Newark, NY-NJ-CT-PA
Region
Northeast
County
New York
Address
34 E 51st St
Time zone
ET (UTC-5)
Office locations

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Source: FINTRX private wealth data intelligence

Intelligence for Private Wealth